القرآن المبين
سورة العنكبوت · 29:3
وَلَقَدْ فَتَنَّا الَّذِينَ مِنْ قَبْلِهِمْ ۖ فَلَيَعْلَمَنَّ اللَّهُ الَّذِينَ صَدَقُوا وَلَيَعْلَمَنَّ الْكَاذِبِينَ
We certainly tested those before them. And ˹in this way˺ Allah will clearly distinguish between those who are truthful and those who are liars.